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Citation for Study 25817

About Citation title: "Sareomycetes cl. nov.: A new proposal for placement of the resinicolous genus Sarea (Ascomycota, Pezizomycotina)".
About Study name: "Sareomycetes cl. nov.: A new proposal for placement of the resinicolous genus Sarea (Ascomycota, Pezizomycotina)".
About This study is part of submission 25817 (Status: Published).

Citation

Beimforde C., Schmidt A., Rikkinen J., & Mitchell J.K. 2020. Sareomycetes cl. nov.: A new proposal for placement of the resinicolous genus Sarea (Ascomycota, Pezizomycotina). Fungal Systematics and Evolution, 6: 25-37.

Authors

  • Beimforde C. (submitter)
  • Schmidt A.
  • Rikkinen J.
  • Mitchell J.K.

Abstract

Abstract: Resinicolous fungi constitute a heterogeneous assemblage of fungi that live on fresh and solidified plant resins. The genus Sarea includes, according to current knowledge, two species, S. resinae and S. difformis. In contrast to other resinicolous discomycetes, which are placed in genera also including non-resinicolous species, Sarea species only ever fruit on resin. The taxonomic classification of Sarea has proven to be difficult and currently the genus, provisionally and based only on morphological features, has been assigned to the Trapeliales (Lecanoromycetes). In contrast, molecular studies have noted a possible affinity to the Leotiomycetes. Here we review the taxonomic placement of Sarea using sequence data from seven phylogenetically informative DNA regions including ribosomal (ITS, nucSSU, mtSSU, LSU) and protein-coding (RPB1, RPB2, Mcm7) regions. We combined available and new sequence data with sequences from major Pezizomycotina classes, especially Lecanoromycetes and Leotiomycetes, and assembled three different taxon samplings in order to place the genus Sarea within the Pezizomycotina. Based on our data, none of the applied Pr.Wof. .dCr rPo.Wu. sCrous, Westerdijk Fungal BiodiversiptyhIynsltoitugte, nPe.Oti. cBoax p8p51r6o7, a3c5h08eAsD(BUatreycehts, iTahne INnetfherlaenndsc. e, Maximum Likelihood and Maximum Parsimony) supported the placement of Sarea in the Trapeliales or any other order in the Lecanoromycetes. A placement of Sarea within the Leotiomycetes is similarly unsupported. Based on our data, Sarea forms an isolated and highly supported phylogenetic lineage within the "Leotiomyceta". From the results of our multilocus phylogenetic analyses we propose here a new class, order, and family, Sareomycetes, Sareales and Sareaceae in the Ascomycota to accommodate the genus Sarea. The genetic variability within the newly proposed class suggests that it is a larger group that requires further infrageneric classification.

Keywords

Ascomycota, new taxa resinicolous fungi, Sarea difformis, Sarea resinae, Sareomycetes cl. nov. taxonomy, Sareales ord. nov., Sareaceae fam. nov.

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  • Canonical resource URI: http://purl.org/phylo/treebase/phylows/study/TB2:S25817
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